Using O=Cc1cc2ccccc2[nH]c1=O, c1cc(CCC2CCNCC2)c2c(c1)OCO2 to produce O=c1[nH]c2ccccc2cc1CN1CCC(CCc2cccc3c2OCO3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.