Using Cc1nc(-c2ccccc2)c(CBr)o1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(Cc1oc(C)nc1-c1ccccc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.