Using CC(C)(C)OC(=O)N1CCN(CCCC(Oc2cc(Cl)ccc2Cl)c2ccccc2)CC1 to produce Clc1ccc(Cl)c(OC(CCCN2CCNCC2)c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.