Using O=C1c2ccccc2C(=O)N1O, CCCc1nc2c(c(C)c(C)n3nnnc23)n1CCCO to produce CCCc1nc2c(c(C)c(C)n3nnnc23)n1CCCON1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.