Using COS(=O)(=O)OC, COC(=O)c1ccc(=O)n(CCNC(=O)c2cccnc2)c1 to produce COC(=O)c1ccc(=O)n(CCN(C)C(=O)c2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.