Using CCC12CCC(c3nnc(-c4ccc(OC)cc4Cl)n3C)(CC1)CC2 to produce CCC12CCC(c3nnc(-c4ccc(O)cc4Cl)n3C)(CC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.