Using NNc1ccc(C(=O)NCC2CCOCC2)cn1, CCOC=C(C(=O)OCC)C(=O)OCC to produce CCOC(=O)c1cnn(-c2ccc(C(=O)NCC3CCOCC3)cn2)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.