Using CCOC(=O)c1cc(C2CC2)nc2c1cnn2CCNC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)NCCn1ncc2c(C(=O)O)cc(C3CC3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.