Using CCCn1nc2c(-c3ccccc3)cccc2c1-c1ccc(OC)cc1 to produce CCCn1nc2c(-c3ccccc3)cccc2c1-c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.