Using Clc1ccc(C2(CNCCN3CCOCC3)CCC2)cc1Cl, C=O to produce CN(CCN1CCOCC1)CC1(c2ccc(Cl)c(Cl)c2)CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.