Using O=C1CCC(=O)N1Br, CCOC(=O)Nc1cccc(C)c1C(=O)OCC to produce CCOC(=O)Nc1cccc(CBr)c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.