Using Cc1cc(C2C(C(N)=S)CCN2C(=O)OC(C)(C)C)nc(-n2ccnc2)n1, CCOC(=O)C(=O)CBr to produce CCOC(=O)c1csc(C2CCN(C(=O)OC(C)(C)C)C2c2cc(C)nc(-n3ccnc3)n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.