Using c1ccc2[nH]ccc2c1, O=C1CCCN(Cc2ccccc2)C1 to produce C1=C(c2c[nH]c3ccccc23)CN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.