Using CCOC(=O)Cl, C[C@H]1COCCN1c1nc(-c2ccc(NC(=O)NC3CC3)cc2)nc2c1CNC2 to produce CCOC(=O)N1Cc2nc(-c3ccc(NC(=O)NC4CC4)cc3)nc(N3CCOC[C@@H]3C)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.