Using COC(=O)Cc1c(C)nc2sc3c(c2c1-c1ccccc1)CCC3 to produce Cc1nc2sc3c(c2c(-c2ccccc2)c1CC(=O)O)CCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.