Using Clc1ncnc2cc[nH]c12, O=C(OCC(CBr)OC(=O)c1ccccc1)c1ccccc1 to produce O=C(OCC(Cn1ccc2ncnc(Cl)c21)OC(=O)c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.