Using CC(C)(C)OC(=O)NCCOc1cc(COc2ccc(CCC(=O)O)cc2F)cc(Oc2ccccc2)c1 to produce NCCOc1cc(COc2ccc(CCC(=O)O)cc2F)cc(Oc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.