Using COC(=O)N=C(NC(=O)OC)SC, CC(C)(C)OC(=O)N1CCOc2ccc(-c3ccc(N)c([N+](=O)[O-])c3)cc2C1 to produce COC(=O)Nc1nc2ccc(-c3ccc4c(c3)CN(C(=O)OC(C)(C)C)CCO4)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.