Using O=C(OCc1ccccc1)N1CCc2nnc(C3(c4ccc(Cl)s4)CCCC3)n2CC1 to produce c1csc(C2(c3nnc4n3CCNCC4)CCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.