Using O=C([O-])O, Cc1nc2cc(F)ccc2n1C1CCN(C(=O)OC(C)(C)C)CC1O to produce COC1CN(C(=O)OC(C)(C)C)CCC1n1c(C)nc2cc(F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.