Using Cc1cncc(-c2cc3c(cn2)cnn3-c2cccc(C3=CCN(C(=O)OC(C)(C)C)CC3)n2)n1 to produce Cc1cncc(-c2cc3c(cn2)cnn3-c2cccc(C3CCN(C(=O)OC(C)(C)C)CC3)n2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.