Using C[C@H]1CN(c2c(F)cc3c(=O)c(C(=O)O)cn4c3c2OC[C@@H]4C)C[C@H]1NC(=O)OC(C)(C)C to produce C[C@H]1CN(c2c(F)cc3c(=O)c(C(=O)O)cn4c3c2OC[C@@H]4C)C[C@H]1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.