Using Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1COc1cccc2[nH]ccc12, CC(C)(C)OC(=O)CBr to produce Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1COc1cccc2c1ccn2CC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.