Using COC(=O)CBr, Cc1cc(OCC(=O)OC(C)(C)C)ccc1N to produce COC(=O)CNc1ccc(OCC(=O)OC(C)(C)C)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.