Using CCOC(=O)C(CC)Oc1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1 to produce CCC(Oc1ccc(OCCc2nc(-c3ccccc3)oc2C)cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.