Using C=Cc1ccc2ncn(-c3ccc4c(c3)CCN4)c2n1, CN(C)CCCC(=O)O to produce C=Cc1ccc2ncn(-c3ccc4c(c3)CCN4C(=O)CCCN(C)C)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.