Using c1ccc2c(C3CCNCC3)c[nH]c2c1, C=C(C)n1c(=O)n(CCCCCl)c2ccccc21 to produce O=c1[nH]c2ccccc2n1CCCCN1CCC(c2c[nH]c3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.