Using COC(=O)c1ccc2nc(N3CCS(=O)(=O)c4ccccc4C3)cc(NCC3(CN)COC3)c2c1 to produce NCC1(CNc2cc(N3CCS(=O)(=O)c4ccccc4C3)nc3ccc(C(=O)O)cc23)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.