Using O=C1Nc2ccccc2N(C(=O)CCl)c2cscc21, C1CCNC1 to produce O=C1Nc2ccccc2N(C(=O)CN2CCCC2)c2cscc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.