Using CSC1(C)C(=O)Nc2ccc(C3=NNC(=O)SC3)cc21, CC(=O)Cl to produce CSC1(C)C(=O)N(C(C)=O)c2ccc(C3=NNC(=O)SC3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.