Using CCOC(=O)c1ccc(OCc2[nH]c3ccccc3c(=O)c2C)cc1OCC1CCOCC1 to produce Cc1c(COc2ccc(C(=O)O)c(OCC3CCOCC3)c2)[nH]c2ccccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.