Using CC(C)(C)OC(=O)n1c2c(c3cc(Cl)c(Cl)cc31)CCCC2=O to produce O=C1CCCc2c1[nH]c1cc(Cl)c(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.