Using CCCCCC12CCC(c3ccc(-c4ncc(OCc5ccccc5)cn4)cc3)(CC1)CC2 to produce CCCCCC12CCC(c3ccc(-c4ncc(O)cn4)cc3)(CC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.