Using CC(=O)OCCBr, COc1cc2c(Oc3ccc(NC(=O)N(C)C)c(Cl)c3)ncnc2cc1O to produce COC(=O)COc1cc2ncnc(Oc3ccc(NC(=O)N(C)C)c(Cl)c3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.