Using CCC(CC)n1cc(NC(=O)CNC(=O)OC(C)(C)C)c(=O)c2cc(F)c(NC3CCCCC3)cc21 to produce CCC(CC)n1cc(NC(=O)CN)c(=O)c2cc(F)c(NC3CCCCC3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.