Using CCOC(=O)CBr, Cc1c(Oc2ccc(C=C3SC(=O)NC3=O)cc2)ncnc1OC1CCN(C(=O)OC(C)(C)C)CC1 to produce CCOC(=O)CN1C(=O)S/C(=C\c2ccc(Oc3ncnc(OC4CCN(C(=O)OC(C)(C)C)CC4)c3C)cc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.