Using O=C1CCC(=O)N1Br, CCOC(=O)c1cc(C(C)(C)C)ncc1O to produce CCOC(=O)c1cc(C(C)(C)C)nc(Br)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.