Using O=C(c1ccc(Cl)c(Cl)c1)N1CCC(C2Oc3ccccc3Cn3cccc32)CC1 to produce Clc1ccc(CN2CCC(C3Oc4ccccc4Cn4cccc43)CC2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.