Using O=C1Nc2ccccc2C12COc1cc3c(cc12)OCO3, ClCc1nsc(Cl)n1 to produce O=C1N(Cc2nsc(Cl)n2)c2ccccc2C12COc1cc3c(cc12)OCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.