Using CCOC(=O)CC(=O)N(CCC(C)C)N=C(C(=O)OCC)c1cccs1 to produce CCOC(=O)c1c(O)c(-c2cccs2)nn(CCC(C)C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.