Using CCOC(=O)CBr, CCCc1nc2cc(NS(=O)(=O)c3ccc(F)cc3)ccc2n1CC(=O)OC(C)(C)C to produce CCCc1nc2cc(N(CC(=O)OCC)S(=O)(=O)c3ccc(F)cc3)ccc2n1CC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.