Using O=C(O)C1Sc2ccccc2-c2[nH]c3ccccc3c21, CCNCC to produce CCN(CC)C(=O)C1Sc2ccccc2-c2[nH]c3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.