Using C=COCC, COc1cc(C)ccc1S(=O)(=O)NC(=O)C(c1ccc2c(c1)OCO2)c1cn(C)c2cc(Br)ccc12 to produce COc1cc(C)ccc1S(=O)(=O)NC(=O)C(c1ccc2c(c1)OCO2)c1cn(C)c2cc(C(C)=O)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.