Using COc1ccc(COCC(O)Cn2ccnc2)cc1, CCOC(=O)CCCCCBr to produce COc1ccc(COCC(Cn2ccnc2)OCCCCCC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.