Using OCc1ccccc1, COc1ccc(COc2c[nH]c(COC(C)=O)cc2=O)cc1 to produce COc1ccc(COc2cnc(COC(C)=O)cc2OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.