Using O=C(O)c1ccc2[nH]ccc2c1, NCC1C2CC3CC1CN(C3)C2 to produce O=C(NCC1C2CC3CC1CN(C3)C2)c1ccc2[nH]ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.