Using COC(=O)C1C=CCn2c(=O)n(CCl)c(=O)n21, CC([O-])=S to produce COC(=O)C1C=CCn2c(=O)n(CSC(C)=O)c(=O)n21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.