Using CCO/C(=C\c1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1C)C(=O)O to produce CCOC(Cc1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1C)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.