Using F[B-](F)(F)F, C=C(OCC)c1nc(OC)c(F)cc1NC(=O)OC(C)(C)C to produce COc1nc(C(=O)CF)c(NC(=O)OC(C)(C)C)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.