Using CCOC(=O)Cc1ccc(OCc2nc(-c3ccccc3)oc2C)c(OC)c1 to produce COc1cc(CC(=O)O)ccc1OCc1nc(-c2ccccc2)oc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.