Using COC1(OC)C(=O)c2ccc(-c3ccc(-c4ccc5c(c4)C(=O)C(OC)(OC)C5=O)cc3)cc2C1=O to produce O=C1c2ccc(-c3ccc(-c4ccc5c(c4)C(=O)C(O)(O)C5=O)cc3)cc2C(=O)C1(O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.