Using c1cnc2[nH]ccc2c1, O=C1CCCN(Cc2ccccc2)C1 to produce OC1(c2c[nH]c3ncccc23)CCCN(Cc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.