Using CCC1CN(C(=O)OC(C)(C)C)CCN1C(=O)c1cnc(C(C)C)nc1NCc1ccco1 to produce CCC1CNCCN1C(=O)c1cnc(C(C)C)nc1NCc1ccco1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.