Using CSC(=N)N, CN(C)C=C1CN(C(=O)OC(C)(C)C)CCC1=O to produce CSc1ncc2c(n1)CCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.