Using O=S(=O)(c1ccccc1)n1c2ccc(-c3ccc(CN4CCOCC4)cc3)cc2c2cc(Cl)cnc21 to produce Clc1cnc2[nH]c3ccc(-c4ccc(CN5CCOCC5)cc4)cc3c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.