Using CCOC(=O)CCC1CN(C(C)=O)c2c(NC(=O)C(C)(C)C)c(C)cc(C)c21 to produce Cc1cc(C)c2c(c1NC(=O)C(C)(C)C)NCC2CCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.