Using O=C(O)c1ccc2[nH]c(-c3n[nH]c4ccccc34)nc2c1, CCN(C(C)C)C(C)C to produce CCNC(=O)c1ccc2[nH]c(-c3n[nH]c4ccccc34)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.