Using O=C(O)c1cccc(S(=O)(=O)Cl)c1, Clc1ccc(N2CCNCC2)cc1 to produce O=C(O)c1cccc(S(=O)(=O)N2CCN(c3ccc(Cl)cc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.