Using Cc1nn(C)c2ncc(C(=O)O)cc12, CC(C)(C)OC(=O)NCCN to produce Cc1nn(C)c2ncc(C(=O)NCCNC(=O)OC(C)(C)C)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.