Using CCCSc1c(C(=O)NC2CCCCC2)cnn1-c1cccc(C(=O)OC)c1 to produce CCCSc1c(C(=O)NC2CCCCC2)cnn1-c1cccc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.