Using C=CCNc1ccccc1, C=CC(C)(C)C(NC(=O)OC(C)(C)C)C(=O)O to produce C=CCN(C(=O)C(NC(=O)OC(C)(C)C)C(C)(C)C=C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.