Using CC(C)(C)OC(=O)c1nc(CC2(c3ccc(Cl)cc3)CCCC2)nc(O)c1OCc1ccccc1 to produce O=C(O)c1nc(CC2(c3ccc(Cl)cc3)CCCC2)nc(O)c1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.