Using CCc1nc2c(N)nc3cc(CCCN)ccc3c2n1CC1CCOCC1, CC(C)N=C=O to produce CCc1nc2c(N)nc3cc(CCCNC(=O)NC(C)C)ccc3c2n1CC1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.