Using CCOC(=O)Cc1c(C)c2c(c(NC(=O)C(C)(C)C)c1C)NCC2 to produce CCOC(=O)Cc1c(C)c(NC(=O)C(C)(C)C)c2[nH]ccc2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.