Using CCn1ncc2c(NC3CCOCC3)c(C(=O)NN)cnc21, O=C(Cl)C1CC1 to produce CCn1ncc2c(NC3CCOCC3)c(C(=O)NNC(=O)C3CC3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.