Using Cc1nccc(NC(=O)C23CCCC(NC(=O)OCc4ccccc4)(CC2)C3)n1 to produce Cc1nccc(NC(=O)C23CCCC(N)(CC2)C3)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.