Using O=C(CCc1ccc(-c2ccc(O)cc2)cc1)CCc1cccnc1 to produce Oc1ccc(-c2ccc(CCC(O)CCc3cccnc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.