Using O=C(O)/C=C/c1ccsc1, CC(=O)N1CCc2ccc(NC3CCN(Cc4ccccc4)CC3)cc21 to produce CC(=O)N1CCc2ccc(N(C(=O)/C=C/c3ccsc3)C3CCN(Cc4ccccc4)CC3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.