Using NCCCO, Cc1c(-c2ccccc2)oc2c(C(=O)Cl)cccc2c1=O to produce Cc1c(-c2ccccc2)oc2c(C(=O)NCCCO)cccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.