Using CC(C)N=C=O, CCOCc1nc2c(N)nc3cc(OCCN)ccc3c2n1CC(C)(C)O to produce CCOCc1nc2c(N)nc3cc(OCCNC(=O)NC(C)C)ccc3c2n1CC(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.